Dahon EXPRESS PT074 1997 VS Burley BIRDY 3 X 7 1998 specs comparison

Dahon Express PT074

General Infos

Model	Express PT074
Manufacturer	Dahon
Year of production	1997
Current price	Check price Here ==>
Color choice	-Green
Sizes	- Standard size for everyone
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	20 X 1.75 (inches)
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Shimano Nexus Roller Brake and aluminum Side-pull Front
Hubs for disc brakes	Rear: Shimano Nexus Roller Brake Front: Aluminum
Rims manufacturer	28-hole Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	Not Available
Handlebar construction	Not Available
Handlebar extender	Not Available
Handlebar stem details	Not Available
Headset size	Not Available

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	52 Teeth Dotek Aluminum
Gear shift levers	Shimano Nexus
Rear gear set	7-speed Internal

Dahon Express PT074 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Hi-tensile Steel
Fork type	Dahon

Other Specs of Dahon Express PT074

Component group sets	Shimano Nexus
Pedals details	Victor Plastic
Rear shock absorber	Not Available
Saddle seat	Velo Plush
Seat post extension	Not Available

Burley Birdy 3 x 7

General Infos

Model	Birdy 3 x 7
Manufacturer	Burley
Year of production	1998
Current price	Check price Here ==>
Color choice	-Aluminum with clearcoat
Sizes	- Rider can adjust manually

Wheels And Breaking System

Bike front tire	18 X 1.5 (inches) Birdy Hi-Pressure
Bike rear tire	Not Available
Bike wheel size	18 (inches) Wheels
Brakeset type	Dia-Compe DP-7 Levers Dia-Compe VC-737 Brakes
Hubs for disc brakes	Rear: Sachs 3 X 7 Front: Shimano Alivio
Rims manufacturer	24-hole Alex DV-15
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7005 T-6 Aluminum Alloy
Frame type	TIG-welded
Handlebar construction	Tranz-X Zanzibar
Handlebar extender	Optional
Handlebar stem details	Birdy Folding Adjustable
Headset size	1 1/8 (inches) Threadless Aheadset AL-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-40
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Tien Hsin TH-7418 AL Sealed Cartridge
Crankset parts and sizes	56 Teeth Dotek Pro-6
Gear shift levers	Sachs Wavey
Rear gear set	13 - 23 Teeth 3-speed Internal X 7-speed

Burley Birdy 3 x 7 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	7005 T-6 Aluminum Alloy
Fork type	Birdy Leading Arm Suspension

Other Specs of Burley Birdy 3 x 7

Component group sets	Birdy Mix
Pedals details	Wellgo WPD-95B Clipless and quill Combination
Rear shock absorber	1.5 (inches) Travel Birdy Elastomer
Saddle seat	Velo Crossbow
Seat post extension	34.7 (millimeters) Diameter Birdy Special 500 (millimeters)